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Finding the Fourth Proportional to 15,049.53, 20,767.05 and 9,079.02

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Solution

The fourth proportional to 15,049.53, 20,767.05 and 9,079.02 is: 12,528.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,049.53 : 20,767.05 = 9,079.02 : x
  2. Step 2: Convert to fraction form
    15,049.53/20,767.05 = 9,079.02/x
  3. Step 3: Cross multiply
    15,049.53x = 20,767.05 × 9,079.02
  4. Step 4: Simplify right side
    15,049.53x = 188,544,462.29
  5. Step 5: Solve for x
    x = 188,544,462.29/15,049.53
  6. Step 6: Final answer
    x = 12,528.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.